Cyrtodonta tenella (FOSSIL) Ulrich, 1890 †
Vanuxemia terminalis (FOSSIL) Ulrich, 1894 †
Cyrtodontula torontoensis (FOSSIL) (C.C. Stewart, 1920 †)
Cyrtodontula truncata (FOSSIL) (Ulrich, 1890 †)
Heikea ulrichi (FOSSIL) Isberg, 1934 †
Vanuxemia umbonata (FOSSIL) Ulrich, 1894 †
Cyrtodonta ventricosa (FOSSIL) Harper †
Cyrtodontula ventricosa (FOSSIL) (J.W. Hall, 1847 †)
Heikea ventricosa (FOSSIL) Isberg, 1934 †
Heikea veterior (FOSSIL) Isberg, 1934 †
Cyrtodonta wattii (FOSSIL) R. Tate, 1896 †
Vanuxemia waynesvillensis (FOSSIL) M.A. Frey, 1980 †
Vanuxemia wortheni (FOSSIL) Ulrich, 1894 †